Live Scientific Registry
The Stars Are
Waiting for You
The most comprehensive directory for dark sky discovery and celestial observation in the United States.
6,589
Analyzed Cities
295
Scientific Audits
154
Dark Sky Parks
13,178
Local Astronomy Hubs
Recommended Gear
Essential Equipment
Guide
From red-light flashlights to deep-space telescopes. Gear up for your next observation party.
View Gear Guide
→
Foundation
Understanding the
Bortle Scale
Learn how to read the sky like a professional. From city centers to the most pristine darkness on Earth.
Explore Guide
→
Certification
International Dark
Sky Parks
Discover the elite locations verified by DarkSky International for their exceptional nocturnal environments.
Find Parks
→